Exemplo n.º 1
0
func (self *FalconClient) insureConn() error {
	if self.rpcClient != nil {
		return nil
	}

	var err error
	var retry int = 1

	for {
		if self.rpcClient != nil {
			return nil
		}

		self.rpcClient, err = net.JsonRpcClient("tcp", self.RpcServer, self.Timeout)
		if err == nil {
			return nil
		}

		glog.Warningf("Metrics rpc dial fail %s", err)
		if retry > 5 {
			return err
		}

		time.Sleep(time.Duration(math.Pow(2.0, float64(retry))) * time.Second)
		retry++
	}
}
Exemplo n.º 2
0
func (this *SingleConnRpcClient) insureConn() {
	if this.rpcClient != nil {
		return
	}

	var err error
	var retry int = 1

	for {
		if this.rpcClient != nil {
			return
		}

		this.rpcClient, err = net.JsonRpcClient("tcp", this.RpcServer, this.Timeout)
		if err == nil {
			return
		}

		glog.Warningf("dial %s fail: %v", this.RpcServer, err)

		if retry > 6 {
			retry = 1
		}

		time.Sleep(time.Duration(math.Pow(2.0, float64(retry))) * time.Second)

		retry++
	}
}
Exemplo n.º 3
0
Arquivo: rpc.go Projeto: oiooj/agent-1
func (this *SingleConnRpcClient) serverConn() error {
	if this.rpcClient != nil {
		return nil
	}

	var err error
	var retry int = 1

	for {
		if this.rpcClient != nil {
			return nil
		}

		this.rpcClient, err = net.JsonRpcClient("tcp", this.RpcServer, this.Timeout)
		if err != nil {
			log.Printf("dial %s fail: %v", this.RpcServer, err)
			if retry > 3 {
				return err
			}
			time.Sleep(time.Duration(math.Pow(2.0, float64(retry))) * time.Second)
			retry++
			continue
		}
		return err
	}
}
Exemplo n.º 4
0
func (this *SingleConnRpcClient) insureConn() {
	if this.rpcClient != nil {
		return
	}

	var err error
	var retry int = 1

	for {
		if this.rpcClient != nil {
			return
		}

		this.rpcClient, err = net.JsonRpcClient("tcp", this.RpcServer, this.Timeout)
		if err == nil {
			return
		}

		log.Println("[ hbs ] Error on query:", err)

		if retry > 6 {
			retry = 1
		}

		time.Sleep(time.Duration(math.Pow(2.0, float64(retry))) * time.Second)

		retry++
	}
}
Exemplo n.º 5
0
func (this *SingleConnRpcClient) insureConn() error {
	if this.rpcClient != nil {
		return nil
	}

	var err error
	var retry int = 1

	for {
		if this.rpcClient != nil {
			return nil
		}

		this.rpcClient, err = net.JsonRpcClient("tcp", this.RpcServer, this.Timeout)
		if err == nil {
			return nil
		}

		logs.Info("Metrics rpc dial fail", err)
		if retry > 5 {
			return err
		}

		time.Sleep(time.Duration(math.Pow(2.0, float64(retry))) * time.Second)
		retry++
	}
	return nil
}
Exemplo n.º 6
0
func (this *SingleConnRpcClient) insureConn() {
	if this.rpcClient != nil {
		return
	}

	var err error
	var retry int = 1

	for {
		if this.rpcClient != nil {
			return
		}

		for _, s := range this.RpcServers {
			this.rpcClient, err = net.JsonRpcClient("tcp", s, this.Timeout)
			if err == nil {
				return
			}

			log.Printf("dial %s fail: %s", s, err)
		}

		if retry > 6 {
			retry = 1
		}

		time.Sleep(time.Duration(math.Pow(2.0, float64(retry))) * time.Second)

		retry++
	}
}
Exemplo n.º 7
0
Arquivo: rdb.go Projeto: donh/query
func (rpcTestEnvInstance *RpcTestEnv) ListenAndExecute(
	rcvr interface{}, rpcCallback func(*RpcTestEnv),
) {
	server := rpc.NewServer()
	server.Register(rcvr)

	var address = fmt.Sprintf("localhost:%d", rpcTestEnvInstance.Port)

	/**
	 * Listening RPC
	 */
	listener, err := net.Listen("tcp", address)
	if err != nil {
		panic(fmt.Errorf("Cannot listen TCP[%d]. Error: %v", rpcTestEnvInstance.Port, err))
	}

	log.Printf("Listen RPC at port [%d]", rpcTestEnvInstance.Port)
	// :~)

	go func() {
		for {
			conn, err := listener.Accept()

			if err != nil {
				if rpcTestEnvInstance.stop {
					log.Printf("Stop RPC server")
					rpcTestEnvInstance.wait <- true
				}

				break
			}

			go server.ServeCodec(jsonrpc.NewServerCodec(conn))
		}
	}()

	/**
	 * Initialize RPC client
	 */
	rpcTestEnvInstance.RpcClient, err = tknet.JsonRpcClient("tcp", address, time.Second*3)
	if err != nil {
		panic(fmt.Errorf("Initialize RPC client error: %v", err))
	}
	log.Printf("Construct RPC Client")
	// :~)

	defer func() {
		rpcTestEnvInstance.RpcClient.Close()
		rpcTestEnvInstance.stop = true
		listener.Close()
		<-rpcTestEnvInstance.wait
	}()

	rpcCallback(rpcTestEnvInstance)
}